52 There are only five things you need to remember: Sine guys are "up and down" guysCosine guys are "back and forth" guys
53 The short length isThe medium length isThe long length is
54 Know where your angles are... KnowAnd it's easy to remember the lengths at the angles:
55 When you need to figure something out, All you really need are the sines and cosines becauseyou can get all the others from these using basic identities:When you need to figure something out,just get in the habit of drawing a little unit circle. Works every time!
56 Let's do some! up and down guy short positive back and forth guy up and down guyshort positiveback and forth guylong negativemedium negative
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